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Project Obsidian

A simple shared ledger for friends, housemates, and family. Log who owes what, and when both parties are on the app, balances sync automatically — no spreadsheets, no awkward chasing.

Project Obsidian is in development

Get notified the moment it launches.

Screenshots

See it in action.

Visualisations coming soon

Features

Built for the details.

Shared Ledger

When both parties use the app, every transaction is visible to both sides and balances update in real time.

Offline First

Log debts without a connection. Everything syncs automatically when you're back online.

Instant Notifications

Get notified the moment a contact logs a new transaction or settles a balance.

Clear Balances

See aggregated totals across all contacts at a glance, then drill into the full itemised history for any relationship.